Using Aggregations in Power BI? Have some DISTINCTCOUNT in your measures? Wondering why the queries are slow and not hitting the aggs? Patrick shows you what is going on! Get ready for some DAX fusion!
DAX Fusion: https://dax.tips/2019/08/05/dax-fusion/
Aggregations Documentation: https://docs.microsoft.com/power-bi/transform-model/aggregations-advanced